Parts such as the Starter Clutch: Spring, Compression (2h7), Circlip, Shaft 1, Starter Clutch Outer Assy are included in the Xs850s 1981 (b) Usa Starter Clutch parts fiche.
This Starter Clutch diagram displays the required parts for the Xs850s 1981 (b) Usa Starter Clutch.
This Gear, Idler 2 is the most expensive of the items that make up this Starter Clutch assembly.